{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11290850","patent":{"patent_number":"US-11290850","title":"Methods and apparatuses for indoor positioning using particle filter based on intensity of radio signal","assignee":null,"inventors":[],"filing_date":"2020-06-04T00:00:00.000Z","publication_date":"2022-03-29T00:00:00.000Z","cpc_codes":["G01S","H04W","G01S"],"num_claims":9,"abstract":"Provided are an indoor positioning method of a positioning apparatus using a particle filter based on an RSSI includes initializing a particle in a base map corresponding to a target space for positioning, measuring a first distance value between a terminal and a beacon and a second distance value between the particle and the beacon, calculating a weight of the particle by comparing the first distance value and the second distance value, updating a previous weight of the particle based on the weight and resampling the particle, deriving location estimation coordinates of the terminal if the resampling has been performed as many as a given number of times, and moving the particle to a given point in the target space and repeatedly measuring the first distance value and the second distance value again."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and apparatuses for indoor positioning using particle filter based on intensity of radio signal","description":"Provided are an indoor positioning method of a positioning apparatus using a particle filter based on an RSSI includes initializing a particle in a base map corresponding to a target space for positio","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11290850","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11290850","citation_suggestion":"Patentable. \"Methods and apparatuses for indoor positioning using particle filter based on intensity of radio signal\" (US-11290850). https://patentable.app/patents/US-11290850","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11290850","json":"https://patentable.app/api/llm-context/US-11290850","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:47:33.964Z"}